74 lines
2.4 KiB
Go
74 lines
2.4 KiB
Go
/*
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Copyright 2021 The Dapr Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package postgresql
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import (
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"context"
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"fmt"
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pginterfaces "github.com/dapr/components-contrib/common/component/postgresql/interfaces"
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postgresql "github.com/dapr/components-contrib/common/component/postgresql/v1"
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commonsql "github.com/dapr/components-contrib/common/component/sql"
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pgmigrations "github.com/dapr/components-contrib/common/component/sql/migrations/postgres"
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)
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// Performs the required migrations
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func performMigrations(ctx context.Context, db pginterfaces.PGXPoolConn, opts postgresql.MigrateOptions) error {
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m := pgmigrations.Migrations{
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DB: db,
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Logger: opts.Logger,
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MetadataTableName: opts.MetadataTableName,
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MetadataKey: "migrations",
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}
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return m.Perform(ctx, []commonsql.MigrationFn{
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// Migration 0: create the state table
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func(ctx context.Context) error {
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// We need to add an "IF NOT EXISTS" because we may be migrating from when we did not use a metadata table
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opts.Logger.Infof("Creating state table '%s'", opts.StateTableName)
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_, err := db.Exec(
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ctx,
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fmt.Sprintf(
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`CREATE TABLE IF NOT EXISTS %s (
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key text NOT NULL PRIMARY KEY,
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value jsonb NOT NULL,
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isbinary boolean NOT NULL,
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insertdate TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
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updatedate TIMESTAMP WITH TIME ZONE NULL
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)`,
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opts.StateTableName,
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),
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)
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if err != nil {
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return fmt.Errorf("failed to create state table: %w", err)
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}
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return nil
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},
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// Migration 1: add the "expiredate" column
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func(ctx context.Context) error {
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opts.Logger.Infof("Adding expiredate column to state table '%s'", opts.StateTableName)
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_, err := db.Exec(ctx, fmt.Sprintf(
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`ALTER TABLE %s ADD expiredate TIMESTAMP WITH TIME ZONE`,
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opts.StateTableName,
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))
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if err != nil {
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return fmt.Errorf("failed to update state table: %w", err)
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}
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return nil
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},
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},
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)
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}
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